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Bob Lee Swagger is an expert marksman living in exile who is coaxed back into action after learning of a plot to kill the president.
Julie and Isaac team up to save Bob Lee after he is kidnapped by Solotov; Nadine confronts Hayes about Atlas; new information about Bob Lee's father, Earl Swagger, sets off a new mission.
Bob Lee visits a local prison for answers about his father's murder; Julie takes a job helping the family lawyer; Nadine and Isaac grab Harris Downey, who knows more about Atlas than he realizes.
Harris gets on Bob Lee's nerves out on the road as they chase more leads. Nadine and Isaac locate a person of interest who may or may not be friendly.
Bob Lee pays a visit to the Pooles after hearing a new rumor, and Julie follows a lead of her own. Isaac and Nadine pursue an Atlas target.
A visit to an old friend of his father's leads Bob Lee back to D.C., where he connects with Isaac, Nadine and Harris for a mission at a formal event.
Bob Lee and Isaac are put through the wringer by a member of Earl's Vietnam unit. Julie stands up to the Bama family. Nadine sneaks into a high tech security facility.
Bob Lee and Isaac meet with a former high level operative as they close in on solving Earl's death. Nadine is sent on a dangerous mission by a DOJ operative.
An attempt on Sam's life leads the Swaggers to shocking information left behind by Earl, which may have led to his death; Nadine and Isaac's team take a run at one of the heads of Atlas.
Bob Lee's search for Bama Jr. leads him to a fringe group, but causes a rift in his marriage; Isaac and Nadine use information left behind by Earl to meet with the President's Chief of Staff.
Bob Lee and Isaac ambush the Atlas training facility; Nadine and Harris scheme their way into a face-to-face with a critical player in Atlas' plot to retain power; Julie's paranoia grows.
Harris helps Bob Lee get payback for Earl's death; Nadine and Isaac try to convert Atlas recruits to their cause; Julie experiments with putting life with Bob Lee in the rearview.
As Bob Lee finds himself torn between justice and family, Atlas pivots to a new game plan. Isaac and Nadine investigate an overlooked Jack Long thread. Harris meets with a powerful ally.
Bob Lee attempts to put an end to Atlas, all while trying to save his marriage and tie up the remaining threads from his past. Isaac, Nadine, and Harris find new roles for themselves in D.C. Series Finale.
